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NEET Class neet Answered

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Asked by jhajuhi19 | 15 May, 2019, 02:09: AM
answered-by-expert Expert Answer

Human skin color is a good example of polygenic (multiple gene) inheritance.

Three "dominant" capital letter genes (A, B and C) control dark pigmentation while three "recessive"alleles of these three genes (a, b & c) control light pigmentation.

Mulatto man – AABbcc, gametes produced- ABc, Abc

White lady- aabbcc, gametes produced- abc

Cross between the mulatto man and white lady:

 

ABc

Abc

abc

AaBbcc

Aabbcc

Thus, 2 genotypes and 2 phenotypes are produced in this case.

Answered by Sheetal Kolte | 16 May, 2019, 04:52: PM
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